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A couple of random circumlocations #3863

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Jul 8, 2020
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A couple of random circumlocations #3863

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9 changes: 4 additions & 5 deletions draft-ietf-quic-transport.md
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Expand Up @@ -2873,8 +2873,8 @@ indistinguishable from a regular packet with a short header.

A stateless reset uses an entire UDP datagram, starting with the first two bits
of the packet header. The remainder of the first byte and an arbitrary number
of bytes following it that are set to unpredictable values. The last 16 bytes
of the datagram contain a Stateless Reset Token.
of bytes following it that are set to values that SHOULD be indistinguishable
from random. The last 16 bytes of the datagram contain a Stateless Reset Token.

To entities other than its intended recipient, a stateless reset will appear to
be a packet with a short header. For the stateless reset to appear as a valid
Expand Down Expand Up @@ -5950,9 +5950,8 @@ Data:

: This 8-byte field contains arbitrary data.

A PATH_CHALLENGE frame containing 8 bytes that are hard to guess is sufficient
to ensure that it is easier to receive the packet than it is to guess the value
correctly.
Including 64 bits of entropy in a PATH_CHALLENGE frame ensures that it is easier
to receive the packet than it is to guess the value correctly.

The recipient of this frame MUST generate a PATH_RESPONSE frame
({{frame-path-response}}) containing the same Data.
Expand Down